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6495b595c4
Instances of this class are always subclasses. Use a virtual destructor to ensure the subclasses cleanup correctly.
66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#ifndef cmCryptoHash_h
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#define cmCryptoHash_h
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#include "cmStandardIncludes.h"
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#include <cmsys/auto_ptr.hxx>
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class cmCryptoHash
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{
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public:
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virtual ~cmCryptoHash() {}
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static cmsys::auto_ptr<cmCryptoHash> New(const char* algo);
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std::string HashString(const char* input);
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std::string HashFile(const char* file);
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protected:
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virtual void Initialize()=0;
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virtual void Append(unsigned char const*, int)=0;
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virtual std::string Finalize()=0;
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};
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class cmCryptoHashMD5: public cmCryptoHash
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{
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struct cmsysMD5_s* MD5;
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public:
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cmCryptoHashMD5();
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~cmCryptoHashMD5();
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protected:
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virtual void Initialize();
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virtual void Append(unsigned char const* buf, int sz);
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virtual std::string Finalize();
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};
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#define cmCryptoHash_SHA_CLASS_DECL(SHA) \
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class cmCryptoHash##SHA: public cmCryptoHash \
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{ \
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union _SHA_CTX* SHA; \
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public: \
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cmCryptoHash##SHA(); \
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~cmCryptoHash##SHA(); \
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protected: \
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virtual void Initialize(); \
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virtual void Append(unsigned char const* buf, int sz); \
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virtual std::string Finalize(); \
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}
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cmCryptoHash_SHA_CLASS_DECL(SHA1);
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cmCryptoHash_SHA_CLASS_DECL(SHA224);
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cmCryptoHash_SHA_CLASS_DECL(SHA256);
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cmCryptoHash_SHA_CLASS_DECL(SHA384);
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cmCryptoHash_SHA_CLASS_DECL(SHA512);
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#undef cmCryptoHash_SHA_CLASS_DECL
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#endif
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